20022012101111 has 4 divisors (see below), whose sum is σ = 20022538494000. Its totient is φ = 20021485708224.

The previous prime is 20022012101101. The next prime is 20022012101173. The reversal of 20022012101111 is 11110121022002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20022012101111 - 2²² = 20022007906807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022012101101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263139386 + ... + 263215463.

It is an arithmetic number, because the mean of its divisors is an integer number (5005634623500).

Almost surely, 2^{20022012101111} is an apocalyptic number.

20022012101111 is a deficient number, since it is larger than the sum of its proper divisors (526392889).

20022012101111 is an equidigital number, since it uses as much as digits as its factorization.

20022012101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526392888.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20022012101111 its reverse (11110121022002), we get a palindrome (31132133123113).

The spelling of 20022012101111 in words is "twenty trillion, twenty-two billion, twelve million, one hundred one thousand, one hundred eleven".